The Large Nylon Backpack is a roomy lightweight yet durable travel essential for work, school, or an overnight trip with an interior laptop sleeve with a velcro closure that fits 16” laptop in puffy case and offers two exterior water bottle holders. 100% Nylon Interior 12" computer slip pocket Two exterior water bottle holders Adjustable 36" shoulder straps 16" x 12" x 5.5" Weight - .9Lb Color: Cobalt Like new condition! Never reach for it